,Test Method A. Water by Distillation with Volatile Solvent

4 –, 9

 ,Test Method B. Moisture and Volatile Matter by Hot-Plate Method

10 –, 14

Organically Combined Sulfuric Anhydride:

 ,

 ,Test Method A. Titration Test

15 –, 19

 ,Test Method B. Extraction-Titration Test

20 –, 24

 ,Test Method C. Ash-Gravimetric Test (in the Presence of True
Sulfonates)

25 –, 28

Total Desulfated Fatty Matter

29 –, 32

Total Active Ingredients

33 –, 36

Unsaponifiable Nonvolatile Matter

37 –, 41

Inorganic Salts

42 –, 46

Total Alkalinity

47 –, 49

Total Ammonia

50 –, 52

Acidity as Free Fatty Acids or Acid Number:

 ,

 ,Test Method A. In the Absence of Ammonium or Triethanolamine Soaps

53 –, 56

 ,Test Method B. In the Presence of Dark Colored Oils but in the
Absence of Ammonium or Triethanolamine Soaps (Brine Test)

57 –, 60

 ,Test Method C. In the Presence of Ammonium or Triethanolamine Soaps

61 –, 63

Water-Immiscible Organic Solvents Volatile with Steam

64 –, 70